$\lim_{x\to\infty}\left(\frac{6x^2}{6\cos\left(x\right)-6x+x^3}\right)$
$\left(3ab^2+2c^3\right)^2$
$\tan\left(y\right)+\cot\left(y\right)=2\csc\left(2y\right)$
$45,32-32,89$
$3t^2-4t+1$
$16x\:^2\:+\:40xy\:+\:25y^2$
$-\:\left(-4\:+\:2\right)\:+16$
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